Role of Gene-Gene Interactions in the Chromosomal Instability in Workers at Coal Thermal Power Plants


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Abstract

The 23 polymorphic variants in genes encoding the enzymes of xenobiotics biotransformation (CYP1A1 (rs4646903), CYP1A2 (rs762551), GSTP1 (rs1138272, rs1695), GSTM1 (del), and GSTT1 (del)), DNA repair (XRCC1 (rs25489, rs25487), APEX1 (rs1130409), hOGG1 (rs1052133), ADPRT (rs1136410), XPD (rs13181), XPG (rs17655), XPC (rs2228001), ATM (rs1801516), NBS (rs1805794), XRCC2 (rs3218536), and XRCC3 (rs861539)), antioxidant system (MnSOD (rs4880) and GPx1 (rs1050450)), cell cycle control and apoptosis (TP53 (rs1042522)), DNA methylation (MTHFR (rs1801133) and MTR (rs1805087)), and chromosomal aberrations in lymphocytes in the workers at thermal power plants were analyzed. We found that allelic variants in the CYP1A1 (rs4646903), hOGG1 (rs1052133), XRCC1 (rs25487), and APEX1 (rs1130409) genes were associated with an increased level of chromosomal aberrations in workers. Informative models of gene-gene interactions including CYP1A1 (rs4646903, T>C), CYP1A2 (rs762551, C>A), GSTT1 (del); XRCC1 (rs25487, G>A), MTHFR (rs1801133, C>T), GSTT1 (del); XRCC1 (rs25487, G>A), APEX1 (rs1130409, T>G), TP53 (rs1042522, G>C) determining the formation of the increased frequency of chromosomal aberrations in the workers at coal thermal power plants were discovered.

About the authors

Ya. A. Savchenko

Federal Research Center of Coal and Coal Chemistry, Siberian Branch

Author for correspondence.
Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650099

V. I. Minina

Federal Research Center of Coal and Coal Chemistry, Siberian Branch; Chair of Genetics

Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650099; Kemerovo, 650000

M. L. Bakanova

Federal Research Center of Coal and Coal Chemistry, Siberian Branch

Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650099

A. V. Ryzhkova

Federal Research Center of Coal and Coal Chemistry, Siberian Branch

Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650099

O. A. Soboleva

Federal Research Center of Coal and Coal Chemistry, Siberian Branch

Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650099

Yu. E. Kulemin

Federal Research Center of Coal and Coal Chemistry, Siberian Branch; Chair of Genetics

Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650099; Kemerovo, 650000

E. N. Voronina

Institute of Chemical Biology and Fundamental Medicine, Siberian Branch

Email: yasavchenko@ya.ru
Russian Federation, Novosibirsk, 630090

A. N. Glushkov

Federal Research Center of Coal and Coal Chemistry, Siberian Branch; Chair of Genetics

Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650099; Kemerovo, 650000

I. A. Vafin

Kemerovo Regional Blood Center

Email: yasavchenko@ya.ru
Russian Federation, Kemerovo, 650000

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